1144867412 has 24 divisors (see below), whose sum is σ = 2251447296. Its totient is φ = 505425888.

The previous prime is 1144867411. The next prime is 1144867441. The reversal of 1144867412 is 2147684411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144867411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477428 + ... + 479819.

It is an arithmetic number, because the mean of its divisors is an integer number (93810304).

Almost surely, 2^1144867412 is an apocalyptic number.

It is an amenable number.

1144867412 is a deficient number, since it is larger than the sum of its proper divisors (1106579884).

1144867412 is a wasteful number, since it uses less digits than its factorization.

1144867412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957287 (or 957285 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 1144867412 is about 33835.8894075507. The cubic root of 1144867412 is about 1046.1285738511.

The spelling of 1144867412 in words is "one billion, one hundred forty-four million, eight hundred sixty-seven thousand, four hundred twelve".